Average Temperatures for Washington in October





Average temperatures for October at cities and other locations throughout Washington are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Olympic Peninsula & West Coast, San Juan Islands & Puget Sound, Cascade Mountains and Eastern Washington.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Olympic Peninsula & West Coast

Average October temperatures
High °F Low °F Place High °C Low °C
61 45 Aberdeen 16 7
61 42 Clearwater 16 6
60 42 Forks 16 6
59 44 Friday Harbor, San Juan Island 15 7
62 34 Grayland 17 1
60 42 Long Beach 15 6
56 45 Port Angeles 13 7

San Juan Islands, Puget Sound & South

Average daily temperatures in October
High °F Low °F Place High °C Low °C
61 46 Anacortes 16 8
59 43 Bellingham 15 6
61 45 Bremerton 16 7
61 43 Centralia 16 6
58 46 Everett 14 8
64 44 Longview 18 7
59 43 Mount Vernon 15 6
63 41 Oak Harbor, Whidbey Island 17 5
56 47 Olga, Orcas Island 14 8
60 41 Olympia 16 5
58 46 Port Townsend 15 8
61 47 Seattle 16 8
62 41 Shelton 16 5
61 47 Tacoma 16 8
62 41 Vancouver 17 5

Cascade Mountains

October temperatures: daily averages
High °F Low °F Place High °C Low °C
56 41 Baker Lake Dam 13 5
58 42 Baring 15 5
58 40 Darrington 14 5
60 35 Mt Adams Ranger Station 15 2
46 33 Mt Rainier Paradise Ranger Station 8 0
59 42 Mud Mountain Lake Dam 15 6
56 43 Ross Dam 13 6
49 38 Stampede Pass 10 3

Eastern Washington State

Average October temperatures
High °F Low °F Place High °C Low °C
56 35 Boundary Dam 13 1
62 39 Chelan 17 4
60 40 Coulee Dam 16 5
66 43 Kennewick 19 6
62 33 Leavenworth 17 1
63 37 Moses Lake 17 3
61 36 Pullman 16 2
58 38 Spokane 14 3
63 44 Walla Walla 17 7
60 46 Wenatchee 16 8
61 32 Winthrop 16 0
64 35 Yakima 18 2
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Washington Temperatures
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